package reflect;

import java.util.Scanner;

public class ReflectDemo2 {
    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException {
        Person p = new Person();
        System.out.println(p);
        /*
        反射机制实例化
        1:获取对应的类对象
        2:通过类对象的newInstance()方法实例化
     */
        //Class cls = Person.class;
        //Class cls = Class.forName("reflect.Person");
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入一个类的完全限定名");
        String className = scanner.nextLine();

        Class cls  = Class.forName(className);
        //newInstance()方法会调用类的公开的无参构造方法
        Object obj = cls.newInstance();
        System.out.println(obj);
    }
}
